To be honest with you, I do not know. Hoyt' s literature states that it " increases the lateral stiffness and balance of the riser. It provides for the highest level of consistancy and accuracy...."

Though I fail to see the benefit I am sure that someone should be able to enlighten us. A shoot through harness I can understand...and even a true shoot through riser that can be shot either right or left handed...but the Hoyt models have me a little baffled. Anybody want to take any bets on whether or not the Hoyt pros will use them this year to compete?